PVE::CLIHandler::data_to_text: return '' for undef

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>

diff --git a/src/PVE/CLIHandler.pm b/src/PVE/CLIHandler.pm
index 9933df704e34c0b9a616a5160716efd0bad6fe5a..dfdc41c158a352360618b8fb173a904735430a88 100644 (file)
--- a/src/PVE/CLIHandler.pm
+++ b/src/PVE/CLIHandler.pm
@@ -432,7 +432,7 @@ my $print_bash_completion = sub {
 sub data_to_text {
     my ($data) = @_;
 
 sub data_to_text {
     my ($data) = @_;
 

-    return undef if !defined($data);
+    return '' if !defined($data);

 
     if (my $class = ref($data)) {
        return to_json($data, { utf8 => 1, canonical => 1 });
 
     if (my $class = ref($data)) {
        return to_json($data, { utf8 => 1, canonical => 1 });